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Add baud to source tree

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This commit is contained in:
T. Joseph Carter 2015-10-30 04:13:31 -07:00
parent be6c1656a1
commit 6d9f608dd0
1 changed files with 29 additions and 0 deletions
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29
setup/baud.txt Normal file
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#!/bin/bash
if [[ $1 == "-d" ]]; then
shift
setgetty=1
else
setgetty=
fi
if [[ $1 -ne 300 && $1 -ne 1200 && $1 -ne 2400 && $1 -ne 4800 && $1 -ne 9600 && $1 -ne 19200 && $1 -ne 38400 && $1 -ne 57600 && $1 -ne 115200 ]]; then
echo 'Usage: baud [-d] 300|1200|2400|4800|9600|19200|38400|57600|115200';
echo ' -d sets default speed for all serial port shells (takes effect on logout)'
echo ' omitting -d makes change temporary and immediate'
else
if [[ $setgetty ]]; then
sudo sed -i "s/ttyAMA0 .* /ttyAMA0 $1 /" /etc/inittab;
sudo sed -i "s/ttyAMA0,[0-9]*/ttyAMA0,$1/g" /boot/cmdline.txt;
sudo sed -i "s/\(ttyUSB.*\) .* /\1 $1 /g" /etc/inittab;
sudo init q;
sudo pkill -f "/sbin/getty"
else
if [[ $(tty | grep tty) ]]; then
stty -F $(tty) $1
fi
fi
fi
echo -e "$(tput bold)$(tty) current $(stty -a -F $(tty) | grep -o 'speed .* baud')$(tput sgr0)"
echo -e "$(tput bold)default speed at login: $(grep ttyUSB /etc/inittab | sed 's/^.*ttyUSB[^ ]* \(.*\) .*$/\1/') baud$(tput sgr0)"